arch/arm/mach-s3c24xx/bast-ide.c

   1 /* linux/arch/arm/mach-s3c2410/bast-ide.c
   2  *
   3  * Copyright 2007 Simtec Electronics
   4  *      http://www.simtec.co.uk/products/EB2410ITX/
   5  *      http://armlinux.simtec.co.uk/
   6  *      Ben Dooks <ben@simtec.co.uk>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11 */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/types.h>
  15 #include <linux/init.h>
  16 #include <linux/interrupt.h>
  17
  18 #include <linux/platform_device.h>
  19 #include <linux/ata_platform.h>
  20
  21 #include <asm/mach-types.h>
  22
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/map.h>
  25 #include <asm/mach/irq.h>
  26
  27 #include <mach/map.h>
  28 #include <mach/bast-map.h>
  29 #include <mach/bast-irq.h>
  30
  31 /* IDE ports */
  32
  33 static struct pata_platform_info bast_ide_platdata = {
  34         .ioport_shift   = 5,
  35 };
  36
  37 #define IDE_CS  S3C2410_CS5
  38
  39 static struct resource bast_ide0_resource[] = {
  40         [0] = DEFINE_RES_MEM(IDE_CS + BAST_PA_IDEPRI, 8 * 0x20),
  41         [1] = DEFINE_RES_MEM(IDE_CS + BAST_PA_IDEPRIAUX + (6 * 0x20), 0x20),
  42         [2] = DEFINE_RES_IRQ(IRQ_IDE0),
  43 };
  44
  45 static struct platform_device bast_device_ide0 = {
  46         .name           = "pata_platform",
  47         .id             = 0,
  48         .num_resources  = ARRAY_SIZE(bast_ide0_resource),
  49         .resource       = bast_ide0_resource,
  50         .dev            = {
  51                 .platform_data = &bast_ide_platdata,
  52                 .coherent_dma_mask = ~0,
  53         }
  54
  55 };
  56
  57 static struct resource bast_ide1_resource[] = {
  58         [0] = DEFINE_RES_MEM(IDE_CS + BAST_PA_IDESEC, 8 * 0x20),
  59         [1] = DEFINE_RES_MEM(IDE_CS + BAST_PA_IDESECAUX + (6 * 0x20), 0x20),
  60         [2] = DEFINE_RES_IRQ(IRQ_IDE1),
  61 };
  62
  63 static struct platform_device bast_device_ide1 = {
  64         .name           = "pata_platform",
  65         .id             = 1,
  66         .num_resources  = ARRAY_SIZE(bast_ide1_resource),
  67         .resource       = bast_ide1_resource,
  68         .dev            = {
  69                 .platform_data = &bast_ide_platdata,
  70                 .coherent_dma_mask = ~0,
  71         }
  72 };
  73
  74 static struct platform_device *bast_ide_devices[] __initdata = {
  75         &bast_device_ide0,
  76         &bast_device_ide1,
  77 };
  78
  79 static __init int bast_ide_init(void)
  80 {
  81         if (machine_is_bast() || machine_is_vr1000())
  82                 return platform_add_devices(bast_ide_devices,
  83                                             ARRAY_SIZE(bast_ide_devices));
  84
  85         return 0;
  86 }
  87
  88 fs_initcall(bast_ide_init);